The invention discloses a use permission management method and a use permission management device. For any managed object, when any user applies to the use permission of the managed object, the following processing is executed of recording operation behavior information of the user who operates the managed object each time, wherein the operation behavior information at least comprises the operation time; and when the continuous time length that the user does not operate the managed object is determined to be greater than a preset threshold value according to the operation behavior information of the user, canceling the use permission of the user on the managed object. By the application of the method and the device which are disclosed by the invention, the safety of the managed objects can be improved.